1 /*
2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 
12 #ifndef VP8_COMMON_HEADER_H_
13 #define VP8_COMMON_HEADER_H_
14 
15 #ifdef __cplusplus
16 extern "C" {
17 #endif
18 
19 /* 24 bits total */
20 typedef struct
21 {
22     unsigned int type: 1;
23     unsigned int version: 3;
24     unsigned int show_frame: 1;
25 
26     /* Allow 2^20 bytes = 8 megabits for first partition */
27 
28     unsigned int first_partition_length_in_bytes: 19;
29 
30 #ifdef PACKET_TESTING
31     unsigned int frame_number;
32     unsigned int update_gold: 1;
33     unsigned int uses_gold: 1;
34     unsigned int update_last: 1;
35     unsigned int uses_last: 1;
36 #endif
37 
38 } VP8_HEADER;
39 
40 #ifdef PACKET_TESTING
41 #define VP8_HEADER_SIZE 8
42 #else
43 #define VP8_HEADER_SIZE 3
44 #endif
45 
46 
47 #ifdef __cplusplus
48 }  // extern "C"
49 #endif
50 
51 #endif  // VP8_COMMON_HEADER_H_
52